.eslintrc.yml

root: true

parser: '@typescript-eslint/parser'

settings:
    import/parsers:
        '@typescript-eslint/parser': [ '.ts' ]

env:
    browser: true
    node: true
    mocha: true
    es2022: true

globals:
    NodeJS: true
    KOISHI_CONFIG: true

extends:
    - standard
    - plugin:@typescript-eslint/recommended
    - plugin:prettier/recommended

plugins:
    - '@typescript-eslint'

rules:
    prettier/prettier:
        - error
        -   printWidth: 80
        -   tabWidth: 4

    array-callback-return: off

    comma-dangle:
        - error
        - never

    dot-notation: off

    generator-star-spacing:
        - error
        - before

    max-len:
        - warn
        - 160

    multiline-ternary: off

    no-callback-literal: off
    no-mixed-operators: off
    no-use-before-define: off
    no-return-assign: off
    no-sequences: off
    no-useless-escape: off
    one-var: off

    operator-linebreak:
        - error
        - after
        -   overrides:
                '?': before
                ':': before

    quotes:
        - error
        - single
        -   avoidEscape: true
            allowTemplateLiterals: true

    sort-imports:
        - warn
        -   ignoreCase: true
            ignoreDeclarationSort: true

    valid-typeof: off

    yield-star-spacing:
        - error
        - after

    # typescript
    import/export: off

    '@typescript-eslint/array-type': error

    default-param-last: off
    '@typescript-eslint/default-param-last': error

    func-call-spacing: off
    '@typescript-eslint/func-call-spacing': error

    keyword-spacing: off
    '@typescript-eslint/keyword-spacing': error

    camelcase: off
    '@typescript-eslint/naming-convention':
        - warn

        # group selectors
        -   selector: default
            format: [ camelCase, UPPER_CASE ]
            leadingUnderscore: allow
        -   selector: [ variableLike, memberLike ]
            format: [ camelCase, UPPER_CASE, PascalCase ]
            leadingUnderscore: allow
        -   selector: [ typeLike ]
            format: [ PascalCase ]

        # selectors
        -   selector: [ function ]
            format: [ camelCase, PascalCase ]
        -   selector: [ enum ]
            format: [ UPPER_CASE, PascalCase ]
        -   selector: [ typeParameter ]
            format: [ PascalCase ]
        -   selector: [ objectLiteralProperty ]
            format: null
        -   selector: [ typeProperty ]
            format: null
        -   selector: [ typeMethod ]
            format: null

    # https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-redeclare.md
    no-redeclare: off

    # https://typescript-eslint.io/docs/linting/troubleshooting/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
    no-undef: off

    # https://stackoverflow.com/questions/71626119/eslint-and-prettier-indent-conflict
    indent: off

    no-unused-vars: off
    '@typescript-eslint/no-unused-vars':
        - error
        -   args: none

    no-dupe-class-members: off
    '@typescript-eslint/no-dupe-class-members': error

    # https://github.com/typescript-eslint/typescript-eslint/issues/239
    no-inner-declarations: off

    no-useless-constructor: off

    node/no-callback-literal: off

    quote-props: off

    semi: off
    '@typescript-eslint/semi':
        - error
        - never
    '@typescript-eslint/member-delimiter-style':
        - error
        -   multiline:
                delimiter: none

    space-before-function-paren: off
    '@typescript-eslint/space-before-function-paren':
        - error
        -   anonymous: always
            asyncArrow: always
            named: never
    '@typescript-eslint/type-annotation-spacing': error